:root {
    --bg-color: #121212;
    --card-bg: #1e1e1e;
    --primary-color: #2ecc71;
    --primary-dark: #27ae60;
    --text-color: #f5f5f5;
    --text-secondary: #a0a0a0;
    --border-color: #333;
    --danger-color: #e74c3c;
    --success-color: #2ecc71;
    --warning-color: #f39c12;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
}

a {
    color: var(--primary-color);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

.app-container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar navigation */
.sidebar {
    width: 240px;
    background-color: var(--card-bg);
    padding: 20px 0;
    border-right: 1px solid var(--border-color);
}

.logo {
    padding: 0 20px 20px;
    border-bottom: 1px solid var(--border-color);
}

.logo h1 {
    color: var(--primary-color);
    font-size: 24px;
}

.nav-links {
    list-style: none;
    margin-top: 20px;
}

.nav-links li {
    padding: 0 20px;
}

.nav-links a {
    display: block;
    padding: 10px 0;
    color: var(--text-color);
    text-decoration: none;
    border-radius: 5px;
    transition: all 0.3s ease;
}

.nav-links a:hover, .nav-links a.active {
    background-color: rgba(46, 204, 113, 0.1);
    color: var(--primary-color);
    padding-left: 10px;
}

.spacer {
    flex-grow: 1;
    height: 30px;
}

/* Content area */
.content {
    flex: 1;
    padding: 30px;
    overflow-y: auto;
}

/* Forms */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    color: var(--text-secondary);
}

.form-group input {
    width: 100%;
    padding: 10px;
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-color);
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.btn {
    padding: 10px 20px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    transition: background-color 0.3s ease;
}

.btn:hover {
    background-color: var(--primary-dark);
    text-decoration: none;
}

.btn-sm {
    padding: 5px 10px;
    font-size: 12px;
}

.btn-danger {
    background-color: var(--danger-color);
}

.btn-danger:hover {
    background-color: #c0392b;
}

/* Login page */
.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    padding: 20px;
}

.login-card {
    background-color: var(--card-bg);
    border-radius: 8px;
    padding: 30px;
    width: 100%;
    max-width: 400px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.login-card h2 {
    margin-bottom: 30px;
    text-align: center;
    color: var(--primary-color);
}

/* Flash messages */
.flash-messages {
    margin-bottom: 20px;
}

.flash-message {
    padding: 10px 15px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 4px;
    margin-bottom: 10px;
}

/* Status badges */
.status-badge {
    display: inline-block;
    padding: 3px 8px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
}

.status-active {
    background-color: rgba(46, 204, 113, 0.2);
    color: var(--success-color);
}

.status-canceled, .status-unpaid, .status-incomplete_expired {
    background-color: rgba(231, 76, 60, 0.2);
    color: var(--danger-color);
}

.status-trialing {
    background-color: rgba(243, 156, 18, 0.2);
    color: var(--warning-color);
}

/* Tables */
.table-container {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 20px;
}

thead {
    background-color: rgba(255, 255, 255, 0.05);
}

th {
    text-align: left;
    padding: 12px 15px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-weight: 600;
}

td {
    padding: 12px 15px;
    border-bottom: 1px solid var(--border-color);
}

tr:last-child td {
    border-bottom: none;
}

.text-center {
    text-align: center;
}

.inline-form {
    display: inline;
}

/* User avatars */
.user-info {
    display: flex;
    align-items: center;
}

.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    margin-right: 10px;
    object-fit: cover;
}

.user-avatar-placeholder {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    margin-right: 10px;
    background-color: var(--primary-dark);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
}

.customer-avatar {
    text-align: center;
    margin-bottom: 20px;
}

.customer-avatar img {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--primary-color);
}

/* Payment result pages */
.payment-result {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
}

.payment-card {
    background-color: var(--card-bg);
    border-radius: 8px;
    padding: 30px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    max-width: 500px;
    width: 100%;
    text-align: center;
}

.payment-card h2 {
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.checkmark {
    display: inline-flex;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background-color: var(--success-color);
    color: white;
    align-items: center;
    justify-content: center;
    margin-right: 10px;
}

.crossmark {
    display: inline-flex;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background-color: var(--danger-color);
    color: white;
    align-items: center;
    justify-content: center;
    margin-right: 10px;
}

.payment-card p {
    margin-bottom: 15px;
    color: var(--text-secondary);
}

.payment-card .actions {
    margin-top: 30px;
}